“We expect the government will buy 1 gigawatt of solar energy in the first auction,” Pedro Vaquer, director of the Brazilian developed Solatio Energia told Bloomberg.

Brazil currently gets less than 1 percent of it electricity from solar power but the government aims to diversify the country’s energy mix.

The country also has strong sunlight, with an average irradiation rate almost double of Germany, the world leader in solar installed capacity, but installed solar capacity is currently well below 100 megawatts (MW).

Brazil’s power auctions see the government set a ceiling price, and developers bid down the rate at which they are willing to sell power.

The lowest offer wins long-term contracts to sell electricity.

While solar projects have participated in past auctions, they have previously had to compete against cheaper power sources such as wind and won no contracts to sell electricity.

October’s auction will see developers compete for 20-year contracts from solar plants of at least 5 MW.

The ceiling price has yet to be announced by analysts but industry experts expect to see a price of 220 to 250 reals ($96-109) a megawatt-hour.